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Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Jan. 31, 2015
Oct. 31, 2015
Oct. 31, 2014
Oct. 31, 2013
Oct. 31, 2012
Income Tax [Line Items]          
Earnings before income taxes of domestic operations   $ 140,044 $ 184,894 $ 164,702  
Additional tax benefit relating to retroactive reinstatement of research credit $ 1,786 2,486   1,700  
Unrecognized tax benefits   145 310 1,070  
Earnings before income taxes of international operations   160,818 167,619 146,421  
Undistributed earnings aggregated   712,913 622,914    
Total unrecognized tax benefits   6,258 5,812 5,717 $ 3,140
Total unrecognized tax benefits impact the effective tax rate   5,650 5,175    
Accrued interest expense related to unrecognized tax benefits   2,664 2,025    
Tax credit carryforwards   2,881      
Tax credit carryforwards which will expire in 2015 through 2017   135      
Indefinite tax credit carryforward amount   2,746      
Operating loss carryforwards   73,927      
Indefinite carryforward period   14,323      
Net change in the valuation allowance   904 $ 2,009    
Valuation allowance relates to tax credits and loss carryforwards   6,768      
Foreign [Member]          
Income Tax [Line Items]          
Unrecognized tax benefits       $ 900  
Operating loss carryforwards   14,323      
Federal [Member]          
Income Tax [Line Items]          
Operating loss carryforwards   3,629      
State [Member]          
Income Tax [Line Items]          
Operating loss carryforwards   $ 70,298